OFFSET
1,1
COMMENTS
Row 3 of A250656
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 4*n^2 + 19*n + 16
EXAMPLE
Some solutions for n=4
..1..0..0..0..0....1..0..0..0..0....1..1..1..1..1....1..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....1..1..1..1..1....0..0..0..0..0
..0..0..0..0..0....1..1..1..1..1....0..0..0..0..1....1..1..1..1..1
..0..1..1..1..1....0..1..1..1..1....0..0..0..0..1....1..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved